CN220791056U - Explosion door device for underground refuge chamber - Google Patents
Explosion door device for underground refuge chamber Download PDFInfo
- Publication number
- CN220791056U CN220791056U CN202322567035.0U CN202322567035U CN220791056U CN 220791056 U CN220791056 U CN 220791056U CN 202322567035 U CN202322567035 U CN 202322567035U CN 220791056 U CN220791056 U CN 220791056U
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- door body
- door
- refuge chamber
- explosion
- underground
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- 238000004880 explosion Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Abstract
The utility model discloses an explosion-proof door device for an underground refuge chamber, which comprises a door frame, wherein a door body is arranged on the door frame, the door body is matched with the door frame in an integrated structure, one end of the door body is connected with a hydraulic cylinder, a locking mechanism is arranged on the door body, and the hydraulic cylinder controls the auxiliary door body to lift through a hydraulic system. The utility model solves the problem of slow opening and closing speed of the explosion door for the prior refuge chamber.
Description
Technical Field
The utility model belongs to the technical field of mining equipment, and relates to an explosion-proof door device for a downhole refuge chamber.
Background
The refuge chamber is used underground and is used as an important safety facility for avoiding accident escape in mine operation, and the function and structure of the refuge chamber are ensured based on possible accidents of a mine. In the catastrophe period, when the condition of gas explosion occurs underground, the refuge chamber can effectively ensure personnel safety, and the explosion waves can provide impact force for the explosion door for the refuge chamber, so that the explosion door can prevent toxic gas from invading and dispersing and entering the refuge chamber; the explosion door for the refuge chamber must be closed at any time and kept tight, and effective measures are also required to facilitate the quick opening of the explosion door. The existing mining explosion-proof door is mainly formed by inwards pushing one door or a plurality of doors through a side face hinge, the effective use area in the explosion-proof chamber can be influenced after the hinge structure is pushed, the opening and closing speeds are low, and the stability and the safety of the refuge chamber are influenced.
Disclosure of utility model
The utility model aims to provide an explosion door device for an underground refuge chamber, which solves the problem of slow opening and closing speed of an explosion door for the existing refuge chamber.
The technical scheme includes that the explosion door device for the underground refuge chamber comprises a door frame, wherein a door body is arranged on the door frame, the door body is matched with the door frame in an integrated structure, one end of the door body is connected with a hydraulic cylinder, a locking mechanism is arranged on the door body, and the hydraulic cylinder controls the auxiliary door body to lift through a hydraulic system.
The present utility model is also characterized in that,
The door frame includes the pole setting of the vertical setting in both sides, and pole setting top level sets up the roof, arranges the slide rail along pole setting and roof both sides, and pole setting one end is kept away from to the roof is fixed to set up two pneumatic cylinders, and the slider is connected to every pneumatic cylinder extension end, slider slip joint slide rail, slider articulated connecting rod, upper portion in the connecting rod hinged door body both sides, slider drive connecting rod motion, and the connecting rod pulling door body upwards overturns the motion and rises to refuge chamber interior roof.
The edges of two sides of the door body are provided with a plurality of guide wheels, the guide wheels are correspondingly clamped with the sliding rails, and the door body slides up and down along the sliding rails.
The locking mechanism comprises a fixed rod, the fixed rod is vertically arranged at the center of the door body, a rotating rod is vertically arranged on the fixed rod, two ends of the rotating rod are connected with an extension rod, the length of the rotating rod combined with the extension rod is larger than the width of the door body, two ends of the rotating rod opposite to diagonal lines of the door body are connected with reset springs, the end parts of the extension rod are provided with protrusions, and the corresponding positions of the door frame are provided with grooves.
A bottom plate is arranged between the bottoms of the two vertical rods, a plurality of anti-collision wheels are arranged on one side, close to the inside of the refuge chamber, of the bottom plate, each anti-collision wheel comprises a right-angle groove, limiting springs are arranged at two ends of each right-angle groove, right-angle openings of the limiting springs limiting the right-angle grooves are opposite to the outside of the refuge chamber, right-angle rotation of each right-angle groove is connected with the bottom plate, one horizontal end of each right-angle groove is sleeved with a buffering rubber wheel, and the buffering rubber wheels are in abutting arrangement with the bottom surface of the door body; the vertical one end of right angle groove sets up compresses tightly the rubber tyer, compresses tightly the relative rotation of rubber tyer periphery and contradicts the door body side and set up.
The outer surface of the door body is a plane, the inner surface of the door body is provided with reinforcing ribs, and the inner surface is arc-shaped.
The beneficial effects of the utility model are as follows: the explosion door device for the underground refuge chamber has the advantages that the door body is of an integrated structure, so that the safety and stability of the explosion door can be guaranteed, the door body is opened and closed up and down, the opening and closing can be realized quickly, the durability of the door body is improved by the anti-collision wheel, the tightness after the door is closed is guaranteed, and the explosion door is simple in structure, convenient to operate, economical, durable, stable, safe and reliable.
Drawings
FIG. 1 is a schematic structural view of an explosion door device for a downhole refuge chamber of the utility model;
FIG. 2 is a schematic diagram of the door structure of the explosion-proof door device for the underground refuge chamber;
FIG. 3 is a schematic view of the anti-collision wheel structure of the anti-explosion door device for the underground refuge chamber;
FIG. 4 is a schematic diagram of the closed state of the explosion door device for the underground refuge chamber;
FIG. 5 is a schematic diagram of the movement state of the explosion vent apparatus for the underground refuge chamber of the present utility model;
FIG. 6 is a schematic diagram of the open state of the explosion vent apparatus for the underground refuge chamber of the present utility model.
In the figure, the door body 1, the hydraulic cylinder 2, the door frame 3, the locking mechanism 4, the slide rail 5, the guide wheel 6, the crashproof wheel 7, the connecting rod 8, the slider 9.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
Example 1
The utility model discloses an explosion door device for an underground refuge chamber, which has the structure shown in figure 1, and comprises a door frame 3, wherein a door body 1 is arranged on the door frame 3, the door body 1 is of an integrated structure and is matched with the door frame 3, one end of the door body 1 is connected with a hydraulic cylinder 2, a locking mechanism 4 is arranged on the door body 1, and the hydraulic cylinder 2 controls the auxiliary door body 1 to lift through a hydraulic system.
Example 2
The door frame 3 includes the pole setting of the vertical setting in both sides, pole setting top level sets up the roof, the roof extends to the refuge chamber in, arrange slide rail 5 along pole setting and roof both sides of door frame 3, pole setting one end is kept away from to the roof is fixed to be set up two pneumatic cylinders 2, slider 9 is connected to the end that stretches out of every pneumatic cylinder 2, slider 9 slip joint slide rail 5, slider 9 is along slide rail 5 horizontal migration on the roof, slider 9 articulates connecting rod 8, upper portion in the both sides of connecting rod 8 articulated door body 1, slider 9 drives connecting rod 8 motion, connecting rod 8 pulling door body 1 upward movement rises to the refuge chamber roof.
The edges of two sides of the door body 1 are provided with a plurality of guide wheels 6, the guide wheels 6 are correspondingly clamped with the sliding rails 5, the guide wheels 6 are matched with the sliding rails 5, the door body 1 slides up and down along the sliding rails 5 of the door frame 3, lifting and opening and closing of the door body 1 are facilitated, and the lifting speed of the door body 1 can be improved by the aid of the cooperation of the guide wheels 6 and the sliding rails 5.
The slide block 9 is matched with the slide rail 5, the guide wheel 6 is clamped with the slide rail 5, the guide wheel 6 moves along a track fixed by the slide rail 5 and cannot fall off, the slide rail 5 extends into the refuge chamber along the edge of the door frame 3, the slide rail 5 is hung in the refuge chamber through an anchor rod, and a certain space is reserved above the refuge chamber so that the door body 1 can be conveniently lifted.
Example 3
As shown in fig. 2, a locking mechanism 4 is provided inside the door body 1 to close the explosion door from the inside. The locking mechanism 4 comprises a fixed rod, the fixed rod is vertically arranged at the center of the door body 1, a rotating rod is vertically arranged on the fixed rod, two ends of the rotating rod are connected with extension rods, the length of the rotating rod combined with the extension rods is larger than the width of the door body 1, two ends of the rotating rod opposite to the diagonal line of the door body 1 are connected with reset springs, the end parts of the extension rods are provided with bulges, the corresponding positions of the door frame 3 are provided with grooves, when the door body 1 is closed, the rotating rod rotates around the fixed rod, and the bulges of the rotating rod are blocked and interlocked with the grooves of the door frame 3; when the door body 1 is opened, the tension of the return spring enables the butt joint line of the door body 1 to coincide and reset when the rotating rod is static, the rotating rod rotates at the fixed rod to realize locking and unlocking, and the extension rod is in extrusion contact with the door frame 3.
A bottom plate is arranged between the bottoms of the two vertical rods, a plurality of anti-collision wheels 7 are arranged on one side, close to the inside of the refuge chamber, of the bottom plate, as shown in fig. 3, each anti-collision wheel 7 comprises a right-angle groove, the right-angle groove is rotationally connected with the bottom plate, two ends of each right-angle groove are provided with limiting springs, the right-angle opening of each limiting spring limiting right-angle groove is opposite to the outside of the refuge chamber, one horizontal end of each right-angle groove is sleeved with a buffering rubber wheel, and the buffering rubber wheels are in abutting arrangement with the bottom surface of the door body 1; the vertical end of the right-angle groove is provided with a compacting rubber wheel, the circumferential surface of the compacting rubber wheel rotates relatively, and the compacting rubber wheel is arranged in a manner of being abutted against the side surface of the door body 1; the setting of crashproof wheel 7 not only buffers the impact can also guarantee the seal of explosion-proof door, and when door body 1 falls down, door body 1 gravity makes right angle groove rotate along the bottom plate hinge, compresses tightly the rubber tyer and compresses tightly door body 1, guarantees the leakproofness of door body 1.
The outer surface of the door body 1 is a plane, the inner surface of the door body 1 is provided with reinforcing ribs, the inner surface is arc-shaped, the strength of the door body 1 is improved, the door body 1 is made of steel plate materials, and a plurality of reinforcing screws are arranged between the outer surface and the inner surface of the door body 1, so that the stability of the structure is ensured; the edge of the door body 1 is additionally provided with a flexible door liner, so that the anti-poison safety of the refuge chamber is effectively improved.
The safety and stability of the explosion-proof door are guaranteed by the integral structure of the door body 1, the door body 1 is opened and closed up and down so as to realize quick opening and closing, the anti-collision wheel 7 is arranged below the door body 1 to improve the durability of the door body 1 and ensure the tightness after the door is closed.
The explosion door device for the underground refuge chamber has the working principle that the door body is of an integrated structure and is matched with the door frame sliding rail through the guide wheel, so that the safety and reliability of the protection of the underground refuge chamber can be ensured, and the impact strength is enough; the door body 1 has good sealing performance, the locking mechanism has good structural safety, the requirements of mining lifesaving are met, the displacement change of the connection position of each part of the explosion-proof door is less than 1mm, and the rigidity requirement of the explosion-proof door is met.
The working process of the explosion door device for the underground refuge chamber is as follows: as shown in 4, the hydraulic cylinder stretches out to push the connecting rod on the sliding block to move, the guide wheel on the door body slides downwards along the sliding rail until the bottom of the door body is pressed into the door frame, the bottom surface buffer rubber wheel of the right-angle groove is positioned at the outer side of the bottom of the door body, the pressing rubber wheel is positioned at the inner side of the door body, and the door body is pressed; the extension rod on the locking mechanism is rotated, so that the protrusion at the end part of the extension rod is clamped in the inner groove of the locking door frame, and the operation of rapidly closing the explosion-proof door is completed;
After the underground danger is relieved, the extension rod is rotated to release the locking, the return spring pulls the extension rod back to the opposite angle line relative position of the door body, as shown in fig. 5, the hydraulic cylinder stretches out and contracts, the hydraulic cylinder contracts, the connecting rod on the sliding block is pulled back, the guide wheel on the door body slides upwards along the sliding rail to rise, the bottom of the door body leaves the door frame, the right angle opening of the limiting spring pulling right angle groove is restored to the opposite position outside the refuge chamber, and the operation of rapidly opening the explosion door is completed, as shown in fig. 6.
The explosion door for the underground refuge chamber is provided with the ultra-strong overpressure resistant explosion door, can bear the pressure of up to 15psi (0.10 Mpa) units, can protect the refuge chamber in an underground emergency, and enters the main chamber through the airtight cabin.
Claims (6)
1. The explosion door device for the underground refuge chamber is characterized by comprising a door frame (3), wherein a door body (1) is arranged on the door frame (3), the door body (1) is matched with the door frame (3) as an integrated structure, one end of the door body (1) is connected with a hydraulic cylinder (2), a locking mechanism (4) is arranged on the door body (1), and the hydraulic cylinder (2) controls the auxiliary door body (1) to lift through a hydraulic system.
2. The explosion door device for the underground refuge chamber according to claim 1, wherein the door frame (3) comprises upright rods which are vertically arranged on two sides, a top plate is horizontally arranged on the top of each upright rod, sliding rails (5) are arranged on two sides of each upright rod and each top plate, two hydraulic cylinders (2) are fixedly arranged at one end of each top plate, far away from each upright rod, of each hydraulic cylinder (2), the extending end of each hydraulic cylinder is connected with a sliding block (9), the sliding blocks (9) are in sliding clamping connection with the sliding rails (5), the sliding blocks (9) are hinged with connecting rods (8), the connecting rods (8) are hinged with the middle upper parts of two sides of the door body (1), the sliding blocks (9) drive the connecting rods (8) to move, and the connecting rods (8) pull the door body (1) to turn upwards to move to the top plate in the refuge chamber.
3. The explosion door device for the underground refuge chamber according to claim 2, wherein a plurality of guide wheels (6) are arranged at the edges of two sides of the door body (1), the guide wheels (6) are correspondingly clamped with the sliding rail (5), and the door body (1) slides up and down along the sliding rail (5).
4. The explosion door device for the underground refuge chamber according to claim 3, wherein the locking mechanism (4) comprises a fixed rod, the fixed rod is vertically arranged at the center of the door body (1), a rotating rod is vertically arranged on the fixed rod, two ends of the rotating rod are connected with extension rods, the length of the rotating rod combined with the extension rods is larger than the width of the door body (1), two ends of the rotating rod, opposite to the diagonal line of the door body (1), are connected with return springs, the ends of the extension rods are provided with protrusions, and the corresponding positions of the door frame (3) are provided with grooves.
5. The explosion door device for the underground refuge chamber according to claim 2, wherein a bottom plate is arranged between the bottoms of the two upright rods, a plurality of anti-collision wheels (7) are arranged on one side, close to the inside of the refuge chamber, of the bottom plate, each anti-collision wheel (7) comprises a right-angle groove, limiting springs are arranged at two ends of each right-angle groove, a right-angle opening of each limiting spring limiting right-angle groove is opposite to the outside of the refuge chamber, a right-angle rotation connecting bottom plate of each right-angle groove is connected with one end of each right-angle groove in a sleeved mode, and each buffering rubber wheel is in an abutting mode with the bottom surface of the door body (1); the vertical one end of right angle groove sets up the packing rubber tyer, and the relative rotation of packing rubber tyer periphery is inconsistent with door body (1) side and is set up.
6. The explosion door device for the underground refuge chamber, which is disclosed in claim 1, is characterized in that the outer surface of the door body (1) is a plane, the inner surface of the door body (1) is provided with reinforcing ribs, and the inner surface is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567035.0U CN220791056U (en) | 2023-09-21 | 2023-09-21 | Explosion door device for underground refuge chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567035.0U CN220791056U (en) | 2023-09-21 | 2023-09-21 | Explosion door device for underground refuge chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791056U true CN220791056U (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322567035.0U Active CN220791056U (en) | 2023-09-21 | 2023-09-21 | Explosion door device for underground refuge chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN220791056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117365242A (en) * | 2023-09-21 | 2024-01-09 | 陕西旬邑青岗坪矿业有限公司 | Quick opening and closing safety explosion door for refuge chamber |
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2023
- 2023-09-21 CN CN202322567035.0U patent/CN220791056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117365242A (en) * | 2023-09-21 | 2024-01-09 | 陕西旬邑青岗坪矿业有限公司 | Quick opening and closing safety explosion door for refuge chamber |
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